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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""WorkingTree4 format and implementation.
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WorkingTree4 provides the dirstate based working tree logic.
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To get a WorkingTree, call bzrdir.open_workingtree() or
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WorkingTree.open(dir).
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from cStringIO import StringIO
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from bzrlib.lazy_import import lazy_import
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lazy_import(globals(), """
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from bisect import bisect_left
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from copy import deepcopy
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conflicts as _mod_conflicts,
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revision as _mod_revision,
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from bzrlib.transport import get_transport
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from bzrlib import symbol_versioning
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from bzrlib.decorators import needs_read_lock, needs_write_lock
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from bzrlib.inventory import InventoryEntry, Inventory, ROOT_ID, entry_factory
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from bzrlib.lockable_files import LockableFiles, TransportLock
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from bzrlib.lockdir import LockDir
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import bzrlib.mutabletree
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from bzrlib.mutabletree import needs_tree_write_lock
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from bzrlib.osutils import (
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from bzrlib.trace import mutter, note
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from bzrlib.transport.local import LocalTransport
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from bzrlib.tree import InterTree
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from bzrlib.progress import DummyProgress, ProgressPhase
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from bzrlib.revision import NULL_REVISION, CURRENT_REVISION
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from bzrlib.rio import RioReader, rio_file, Stanza
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from bzrlib.symbol_versioning import (deprecated_passed,
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from bzrlib.tree import Tree
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from bzrlib.workingtree import WorkingTree, WorkingTree3, WorkingTreeFormat3
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# This is the Windows equivalent of ENOTDIR
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# It is defined in pywin32.winerror, but we don't want a strong dependency for
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# just an error code.
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ERROR_PATH_NOT_FOUND = 3
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ERROR_DIRECTORY = 267
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class WorkingTree4(WorkingTree3):
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"""This is the Format 4 working tree.
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This differs from WorkingTree3 by:
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- Having a consolidated internal dirstate, stored in a
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randomly-accessible sorted file on disk.
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- Not having a regular inventory attribute. One can be synthesized
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on demand but this is expensive and should be avoided.
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This is new in bzr 0.15.
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def __init__(self, basedir,
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"""Construct a WorkingTree for basedir.
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If the branch is not supplied, it is opened automatically.
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If the branch is supplied, it must be the branch for this basedir.
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(branch.base is not cross checked, because for remote branches that
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would be meaningless).
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self._format = _format
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self.bzrdir = _bzrdir
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assert isinstance(basedir, basestring), \
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"base directory %r is not a string" % basedir
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basedir = safe_unicode(basedir)
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mutter("opening working tree %r", basedir)
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self._branch = branch
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assert isinstance(self.branch, bzrlib.branch.Branch), \
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"branch %r is not a Branch" % self.branch
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self.basedir = realpath(basedir)
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# if branch is at our basedir and is a format 6 or less
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# assume all other formats have their own control files.
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assert isinstance(_control_files, LockableFiles), \
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"_control_files must be a LockableFiles, not %r" % _control_files
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self._control_files = _control_files
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# during a read or write lock these objects are set, and are
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# None the rest of the time.
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self._dirstate = None
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self._inventory = None
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self._setup_directory_is_tree_reference()
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self._detect_case_handling()
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@needs_tree_write_lock
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def _add(self, files, ids, kinds):
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"""See MutableTree._add."""
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state = self.current_dirstate()
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for f, file_id, kind in zip(files, ids, kinds):
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# special case tree root handling.
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if f == '' and self.path2id(f) == ROOT_ID:
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state.set_path_id('', generate_ids.gen_file_id(f))
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file_id = generate_ids.gen_file_id(f)
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# deliberately add the file with no cached stat or sha1
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# - on the first access it will be gathered, and we can
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# always change this once tests are all passing.
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state.add(f, file_id, kind, None, '')
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self._make_dirty(reset_inventory=True)
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def _make_dirty(self, reset_inventory):
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"""Make the tree state dirty.
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:param reset_inventory: True if the cached inventory should be removed
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(presuming there is one).
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if reset_inventory and self._inventory is not None:
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self._inventory = None
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@needs_tree_write_lock
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def add_reference(self, sub_tree):
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# use standard implementation, which calls back to self._add
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# So we don't store the reference_revision in the working dirstate,
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# it's just recorded at the moment of commit.
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self._add_reference(sub_tree)
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def break_lock(self):
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"""Break a lock if one is present from another instance.
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Uses the ui factory to ask for confirmation if the lock may be from
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This will probe the repository for its lock as well.
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# if the dirstate is locked by an active process, reject the break lock
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if self._dirstate is None:
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state = self._current_dirstate()
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if state._lock_token is not None:
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# we already have it locked. sheese, cant break our own lock.
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raise errors.LockActive(self.basedir)
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# try for a write lock - need permission to get one anyhow
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except errors.LockContention:
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# oslocks fail when a process is still live: fail.
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# TODO: get the locked lockdir info and give to the user to
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# assist in debugging.
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raise errors.LockActive(self.basedir)
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self._dirstate = None
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self._control_files.break_lock()
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self.branch.break_lock()
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def _comparison_data(self, entry, path):
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kind, executable, stat_value = \
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WorkingTree3._comparison_data(self, entry, path)
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# it looks like a plain directory, but it's really a reference -- see
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(path)):
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kind = 'tree-reference'
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return kind, executable, stat_value
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def commit(self, message=None, revprops=None, *args, **kwargs):
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# mark the tree as dirty post commit - commit
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# can change the current versioned list by doing deletes.
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result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
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self._make_dirty(reset_inventory=True)
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def current_dirstate(self):
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"""Return the current dirstate object.
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This is not part of the tree interface and only exposed for ease of
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:raises errors.NotWriteLocked: when not in a lock.
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self._must_be_locked()
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return self._current_dirstate()
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def _current_dirstate(self):
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"""Internal function that does not check lock status.
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This is needed for break_lock which also needs the dirstate.
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if self._dirstate is not None:
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return self._dirstate
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local_path = self.bzrdir.get_workingtree_transport(None
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).local_abspath('dirstate')
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self._dirstate = dirstate.DirState.on_file(local_path)
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return self._dirstate
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def filter_unversioned_files(self, paths):
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"""Filter out paths that are versioned.
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:return: set of paths.
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# TODO: make a generic multi-bisect routine roughly that should list
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# the paths, then process one half at a time recursively, and feed the
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# results of each bisect in further still
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paths = sorted(paths)
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state = self.current_dirstate()
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# TODO we want a paths_to_dirblocks helper I think
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dirname, basename = os.path.split(path.encode('utf8'))
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_, _, _, path_is_versioned = state._get_block_entry_index(
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dirname, basename, 0)
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if not path_is_versioned:
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"""Write all cached data to disk."""
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if self._control_files._lock_mode != 'w':
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raise errors.NotWriteLocked(self)
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self.current_dirstate().save()
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self._inventory = None
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@needs_tree_write_lock
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def _gather_kinds(self, files, kinds):
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"""See MutableTree._gather_kinds."""
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for pos, f in enumerate(files):
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if kinds[pos] is None:
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kinds[pos] = self._kind(f)
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def _generate_inventory(self):
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"""Create and set self.inventory from the dirstate object.
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This is relatively expensive: we have to walk the entire dirstate.
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Ideally we would not, and can deprecate this function.
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#: uncomment to trap on inventory requests.
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# import pdb;pdb.set_trace()
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state = self.current_dirstate()
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state._read_dirblocks_if_needed()
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root_key, current_entry = self._get_entry(path='')
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current_id = root_key[2]
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assert current_entry[0][0] == 'd' # directory
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inv = Inventory(root_id=current_id)
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# Turn some things into local variables
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minikind_to_kind = dirstate.DirState._minikind_to_kind
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factory = entry_factory
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utf8_decode = cache_utf8._utf8_decode
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# we could do this straight out of the dirstate; it might be fast
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# and should be profiled - RBC 20070216
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parent_ies = {'' : inv.root}
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for block in state._dirblocks[1:]: # skip the root
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parent_ie = parent_ies[dirname]
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# all the paths in this block are not versioned in this tree
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for key, entry in block[1]:
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minikind, link_or_sha1, size, executable, stat = entry[0]
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if minikind in ('a', 'r'): # absent, relocated
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# a parent tree only entry
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name_unicode = utf8_decode(name)[0]
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kind = minikind_to_kind[minikind]
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inv_entry = factory[kind](file_id, name_unicode,
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# This is only needed on win32, where this is the only way
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# we know the executable bit.
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inv_entry.executable = executable
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# not strictly needed: working tree
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#inv_entry.text_size = size
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#inv_entry.text_sha1 = sha1
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elif kind == 'directory':
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# add this entry to the parent map.
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parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
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elif kind == 'tree-reference':
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assert self._repo_supports_tree_reference, \
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"repository of %r " \
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"doesn't support tree references " \
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"required by entry %r" \
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inv_entry.reference_revision = link_or_sha1 or None
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elif kind != 'symlink':
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raise AssertionError("unknown kind %r" % kind)
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# These checks cost us around 40ms on a 55k entry tree
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assert file_id not in inv_byid, ('file_id %s already in'
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' inventory as %s' % (file_id, inv_byid[file_id]))
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assert name_unicode not in parent_ie.children
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inv_byid[file_id] = inv_entry
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parent_ie.children[name_unicode] = inv_entry
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self._inventory = inv
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def _get_entry(self, file_id=None, path=None):
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"""Get the dirstate row for file_id or path.
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If either file_id or path is supplied, it is used as the key to lookup.
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If both are supplied, the fastest lookup is used, and an error is
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raised if they do not both point at the same row.
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:param file_id: An optional unicode file_id to be looked up.
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:param path: An optional unicode path to be looked up.
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:return: The dirstate row tuple for path/file_id, or (None, None)
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if file_id is None and path is None:
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raise errors.BzrError('must supply file_id or path')
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state = self.current_dirstate()
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path = path.encode('utf8')
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return state._get_entry(0, fileid_utf8=file_id, path_utf8=path)
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def get_file_sha1(self, file_id, path=None, stat_value=None):
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# check file id is valid unconditionally.
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entry = self._get_entry(file_id=file_id, path=path)
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raise errors.NoSuchId(self, file_id)
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path = pathjoin(entry[0][0], entry[0][1]).decode('utf8')
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file_abspath = self.abspath(path)
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state = self.current_dirstate()
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if stat_value is None:
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stat_value = os.lstat(file_abspath)
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if e.errno == errno.ENOENT:
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link_or_sha1 = state.update_entry(entry, file_abspath,
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stat_value=stat_value)
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if entry[1][0][0] == 'f':
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def _get_inventory(self):
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"""Get the inventory for the tree. This is only valid within a lock."""
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if 'evil' in debug.debug_flags:
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trace.mutter_callsite(2,
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"accessing .inventory forces a size of tree translation.")
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if self._inventory is not None:
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return self._inventory
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self._must_be_locked()
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self._generate_inventory()
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return self._inventory
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inventory = property(_get_inventory,
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doc="Inventory of this Tree")
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def get_parent_ids(self):
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"""See Tree.get_parent_ids.
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This implementation requests the ids list from the dirstate file.
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return self.current_dirstate().get_parent_ids()
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def get_reference_revision(self, file_id, path=None):
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# referenced tree's revision is whatever's currently there
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return self.get_nested_tree(file_id, path).last_revision()
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def get_nested_tree(self, file_id, path=None):
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path = self.id2path(file_id)
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# else: check file_id is at path?
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return WorkingTree.open(self.abspath(path))
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def get_root_id(self):
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"""Return the id of this trees root"""
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return self._get_entry(path='')[0][2]
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def has_id(self, file_id):
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state = self.current_dirstate()
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row, parents = self._get_entry(file_id=file_id)
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return osutils.lexists(pathjoin(
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self.basedir, row[0].decode('utf8'), row[1].decode('utf8')))
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def id2path(self, file_id):
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"Convert a file-id to a path."
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state = self.current_dirstate()
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entry = self._get_entry(file_id=file_id)
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if entry == (None, None):
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raise errors.NoSuchId(tree=self, file_id=file_id)
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path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
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return path_utf8.decode('utf8')
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def _is_executable_from_path_and_stat_from_basis(self, path, stat_result):
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entry = self._get_entry(path=path)
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if entry == (None, None):
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return False # Missing entries are not executable
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return entry[1][0][3] # Executable?
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if not osutils.supports_executable():
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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entry = self._get_entry(file_id=file_id, path=path)
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if entry == (None, None):
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return entry[1][0][3]
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_is_executable_from_path_and_stat = \
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_is_executable_from_path_and_stat_from_basis
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def is_executable(self, file_id, path=None):
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"""Test if a file is executable or not.
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Note: The caller is expected to take a read-lock before calling this.
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path = self.id2path(file_id)
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mode = os.lstat(self.abspath(path)).st_mode
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return bool(stat.S_ISREG(mode) and stat.S_IEXEC & mode)
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"""Iterate through file_ids for this tree.
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file_ids are in a WorkingTree if they are in the working inventory
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and the working file exists.
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for key, tree_details in self.current_dirstate()._iter_entries():
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if tree_details[0][0] in ('a', 'r'): # absent, relocated
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# not relevant to the working tree
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path = pathjoin(self.basedir, key[0].decode('utf8'), key[1].decode('utf8'))
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if osutils.lexists(path):
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result.append(key[2])
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def iter_references(self):
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for key, tree_details in self.current_dirstate()._iter_entries():
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if tree_details[0][0] in ('a', 'r'): # absent, relocated
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# not relevant to the working tree
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# the root is not a reference.
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path = pathjoin(self.basedir, key[0].decode('utf8'), key[1].decode('utf8'))
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if self._kind(path) == 'tree-reference':
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except errors.NoSuchFile:
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# path is missing on disk.
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def kind(self, file_id):
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"""Return the kind of a file.
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This is always the actual kind that's on disk, regardless of what it
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Note: The caller is expected to take a read-lock before calling this.
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relpath = self.id2path(file_id)
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assert relpath != None, \
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"path for id {%s} is None!" % file_id
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return self._kind(relpath)
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def _kind(self, relpath):
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abspath = self.abspath(relpath)
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kind = file_kind(abspath)
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if (self._repo_supports_tree_reference and
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kind == 'directory' and
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self._directory_is_tree_reference(relpath)):
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kind = 'tree-reference'
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def _last_revision(self):
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"""See Mutable.last_revision."""
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parent_ids = self.current_dirstate().get_parent_ids()
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return _mod_revision.NULL_REVISION
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"""See Branch.lock_read, and WorkingTree.unlock."""
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self.branch.lock_read()
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self._control_files.lock_read()
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state = self.current_dirstate()
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if not state._lock_token:
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# set our support for tree references from the repository in
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self._repo_supports_tree_reference = getattr(
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self.branch.repository._format, "supports_tree_reference",
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self._control_files.unlock()
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def _lock_self_write(self):
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"""This should be called after the branch is locked."""
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self._control_files.lock_write()
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state = self.current_dirstate()
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if not state._lock_token:
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# set our support for tree references from the repository in
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self._repo_supports_tree_reference = getattr(
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self.branch.repository._format, "supports_tree_reference",
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self._control_files.unlock()
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def lock_tree_write(self):
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"""See MutableTree.lock_tree_write, and WorkingTree.unlock."""
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self.branch.lock_read()
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self._lock_self_write()
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def lock_write(self):
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"""See MutableTree.lock_write, and WorkingTree.unlock."""
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self.branch.lock_write()
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self._lock_self_write()
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@needs_tree_write_lock
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def move(self, from_paths, to_dir, after=False):
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"""See WorkingTree.move()."""
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state = self.current_dirstate()
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assert not isinstance(from_paths, basestring)
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to_dir_utf8 = to_dir.encode('utf8')
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to_entry_dirname, to_basename = os.path.split(to_dir_utf8)
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id_index = state._get_id_index()
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# check destination directory
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# get the details for it
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to_entry_block_index, to_entry_entry_index, dir_present, entry_present = \
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state._get_block_entry_index(to_entry_dirname, to_basename, 0)
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if not entry_present:
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raise errors.BzrMoveFailedError('', to_dir,
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errors.NotVersionedError(to_dir))
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to_entry = state._dirblocks[to_entry_block_index][1][to_entry_entry_index]
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# get a handle on the block itself.
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to_block_index = state._ensure_block(
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to_entry_block_index, to_entry_entry_index, to_dir_utf8)
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to_block = state._dirblocks[to_block_index]
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to_abs = self.abspath(to_dir)
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if not isdir(to_abs):
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if to_entry[1][0][0] != 'd':
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raise errors.BzrMoveFailedError('',to_dir,
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errors.NotADirectory(to_abs))
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if self._inventory is not None:
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update_inventory = True
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to_dir_ie = inv[to_dir_id]
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to_dir_id = to_entry[0][2]
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update_inventory = False
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def move_one(old_entry, from_path_utf8, minikind, executable,
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fingerprint, packed_stat, size,
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to_block, to_key, to_path_utf8):
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state._make_absent(old_entry)
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from_key = old_entry[0]
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lambda:state.update_minimal(from_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=from_path_utf8))
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state.update_minimal(to_key,
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executable=executable,
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fingerprint=fingerprint,
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packed_stat=packed_stat,
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path_utf8=to_path_utf8)
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added_entry_index, _ = state._find_entry_index(to_key, to_block[1])
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new_entry = to_block[1][added_entry_index]
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rollbacks.append(lambda:state._make_absent(new_entry))
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for from_rel in from_paths:
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# from_rel is 'pathinroot/foo/bar'
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from_rel_utf8 = from_rel.encode('utf8')
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from_dirname, from_tail = osutils.split(from_rel)
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from_dirname, from_tail_utf8 = osutils.split(from_rel_utf8)
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from_entry = self._get_entry(path=from_rel)
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if from_entry == (None, None):
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raise errors.BzrMoveFailedError(from_rel,to_dir,
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errors.NotVersionedError(path=str(from_rel)))
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from_id = from_entry[0][2]
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to_rel = pathjoin(to_dir, from_tail)
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to_rel_utf8 = pathjoin(to_dir_utf8, from_tail_utf8)
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item_to_entry = self._get_entry(path=to_rel)
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if item_to_entry != (None, None):
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Target is already versioned.")
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if from_rel == to_rel:
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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"Source and target are identical.")
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from_missing = not self.has_filename(from_rel)
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to_missing = not self.has_filename(to_rel)
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raise errors.BzrMoveFailedError(from_rel, to_rel,
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errors.NoSuchFile(path=to_rel,
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extra="New file has not been created yet"))
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# neither path exists
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raise errors.BzrRenameFailedError(from_rel, to_rel,
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errors.PathsDoNotExist(paths=(from_rel, to_rel)))
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if from_missing: # implicitly just update our path mapping
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raise errors.RenameFailedFilesExist(from_rel, to_rel)
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def rollback_rename():
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"""A single rename has failed, roll it back."""
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# roll back everything, even if we encounter trouble doing one
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# TODO: at least log the other exceptions rather than just
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# losing them mbp 20070307
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for rollback in reversed(rollbacks):
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exc_info = sys.exc_info()
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raise exc_info[0], exc_info[1], exc_info[2]
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# perform the disk move first - its the most likely failure point.
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from_rel_abs = self.abspath(from_rel)
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to_rel_abs = self.abspath(to_rel)
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osutils.rename(from_rel_abs, to_rel_abs)
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raise errors.BzrMoveFailedError(from_rel, to_rel, e[1])
752
rollbacks.append(lambda: osutils.rename(to_rel_abs, from_rel_abs))
754
# perform the rename in the inventory next if needed: its easy
758
from_entry = inv[from_id]
759
current_parent = from_entry.parent_id
760
inv.rename(from_id, to_dir_id, from_tail)
762
lambda: inv.rename(from_id, current_parent, from_tail))
763
# finally do the rename in the dirstate, which is a little
764
# tricky to rollback, but least likely to need it.
765
old_block_index, old_entry_index, dir_present, file_present = \
766
state._get_block_entry_index(from_dirname, from_tail_utf8, 0)
767
old_block = state._dirblocks[old_block_index][1]
768
old_entry = old_block[old_entry_index]
769
from_key, old_entry_details = old_entry
770
cur_details = old_entry_details[0]
772
to_key = ((to_block[0],) + from_key[1:3])
773
minikind = cur_details[0]
774
move_one(old_entry, from_path_utf8=from_rel_utf8,
776
executable=cur_details[3],
777
fingerprint=cur_details[1],
778
packed_stat=cur_details[4],
782
to_path_utf8=to_rel_utf8)
785
def update_dirblock(from_dir, to_key, to_dir_utf8):
786
"""Recursively update all entries in this dirblock."""
787
assert from_dir != '', "renaming root not supported"
788
from_key = (from_dir, '')
789
from_block_idx, present = \
790
state._find_block_index_from_key(from_key)
792
# This is the old record, if it isn't present, then
793
# there is theoretically nothing to update.
794
# (Unless it isn't present because of lazy loading,
795
# but we don't do that yet)
797
from_block = state._dirblocks[from_block_idx]
798
to_block_index, to_entry_index, _, _ = \
799
state._get_block_entry_index(to_key[0], to_key[1], 0)
800
to_block_index = state._ensure_block(
801
to_block_index, to_entry_index, to_dir_utf8)
802
to_block = state._dirblocks[to_block_index]
804
# Grab a copy since move_one may update the list.
805
for entry in from_block[1][:]:
806
assert entry[0][0] == from_dir
807
cur_details = entry[1][0]
808
to_key = (to_dir_utf8, entry[0][1], entry[0][2])
809
from_path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
810
to_path_utf8 = osutils.pathjoin(to_dir_utf8, entry[0][1])
811
minikind = cur_details[0]
813
# Deleted children of a renamed directory
814
# Do not need to be updated.
815
# Children that have been renamed out of this
816
# directory should also not be updated
818
move_one(entry, from_path_utf8=from_path_utf8,
820
executable=cur_details[3],
821
fingerprint=cur_details[1],
822
packed_stat=cur_details[4],
826
to_path_utf8=to_path_utf8)
828
# We need to move all the children of this
830
update_dirblock(from_path_utf8, to_key,
832
update_dirblock(from_rel_utf8, to_key, to_rel_utf8)
836
result.append((from_rel, to_rel))
837
state._dirblock_state = dirstate.DirState.IN_MEMORY_MODIFIED
838
self._make_dirty(reset_inventory=False)
842
def _must_be_locked(self):
843
if not self._control_files._lock_count:
844
raise errors.ObjectNotLocked(self)
847
"""Initialize the state in this tree to be a new tree."""
851
def path2id(self, path):
852
"""Return the id for path in this tree."""
853
path = path.strip('/')
854
entry = self._get_entry(path=path)
855
if entry == (None, None):
859
def paths2ids(self, paths, trees=[], require_versioned=True):
860
"""See Tree.paths2ids().
862
This specialisation fast-paths the case where all the trees are in the
867
parents = self.get_parent_ids()
869
if not (isinstance(tree, DirStateRevisionTree) and tree._revision_id in
871
return super(WorkingTree4, self).paths2ids(paths, trees, require_versioned)
872
search_indexes = [0] + [1 + parents.index(tree._revision_id) for tree in trees]
873
# -- make all paths utf8 --
876
paths_utf8.add(path.encode('utf8'))
878
# -- paths is now a utf8 path set --
879
# -- get the state object and prepare it.
880
state = self.current_dirstate()
881
if False and (state._dirblock_state == dirstate.DirState.NOT_IN_MEMORY
882
and '' not in paths):
883
paths2ids = self._paths2ids_using_bisect
885
paths2ids = self._paths2ids_in_memory
886
return paths2ids(paths, search_indexes,
887
require_versioned=require_versioned)
889
def _paths2ids_in_memory(self, paths, search_indexes,
890
require_versioned=True):
891
state = self.current_dirstate()
892
state._read_dirblocks_if_needed()
893
def _entries_for_path(path):
894
"""Return a list with all the entries that match path for all ids.
896
dirname, basename = os.path.split(path)
897
key = (dirname, basename, '')
898
block_index, present = state._find_block_index_from_key(key)
900
# the block which should contain path is absent.
903
block = state._dirblocks[block_index][1]
904
entry_index, _ = state._find_entry_index(key, block)
905
# we may need to look at multiple entries at this path: walk while the paths match.
906
while (entry_index < len(block) and
907
block[entry_index][0][0:2] == key[0:2]):
908
result.append(block[entry_index])
911
if require_versioned:
912
# -- check all supplied paths are versioned in a search tree. --
915
path_entries = _entries_for_path(path)
917
# this specified path is not present at all: error
918
all_versioned = False
920
found_versioned = False
921
# for each id at this path
922
for entry in path_entries:
924
for index in search_indexes:
925
if entry[1][index][0] != 'a': # absent
926
found_versioned = True
927
# all good: found a versioned cell
929
if not found_versioned:
930
# none of the indexes was not 'absent' at all ids for this
932
all_versioned = False
934
if not all_versioned:
935
raise errors.PathsNotVersionedError(paths)
936
# -- remove redundancy in supplied paths to prevent over-scanning --
937
search_paths = osutils.minimum_path_selection(paths)
939
# for all search_indexs in each path at or under each element of
940
# search_paths, if the detail is relocated: add the id, and add the
941
# relocated path as one to search if its not searched already. If the
942
# detail is not relocated, add the id.
943
searched_paths = set()
945
def _process_entry(entry):
946
"""Look at search_indexes within entry.
948
If a specific tree's details are relocated, add the relocation
949
target to search_paths if not searched already. If it is absent, do
950
nothing. Otherwise add the id to found_ids.
952
for index in search_indexes:
953
if entry[1][index][0] == 'r': # relocated
954
if not osutils.is_inside_any(searched_paths, entry[1][index][1]):
955
search_paths.add(entry[1][index][1])
956
elif entry[1][index][0] != 'a': # absent
957
found_ids.add(entry[0][2])
959
current_root = search_paths.pop()
960
searched_paths.add(current_root)
961
# process the entries for this containing directory: the rest will be
962
# found by their parents recursively.
963
root_entries = _entries_for_path(current_root)
965
# this specified path is not present at all, skip it.
967
for entry in root_entries:
968
_process_entry(entry)
969
initial_key = (current_root, '', '')
970
block_index, _ = state._find_block_index_from_key(initial_key)
971
while (block_index < len(state._dirblocks) and
972
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
973
for entry in state._dirblocks[block_index][1]:
974
_process_entry(entry)
978
def _paths2ids_using_bisect(self, paths, search_indexes,
979
require_versioned=True):
980
state = self.current_dirstate()
983
split_paths = sorted(osutils.split(p) for p in paths)
984
found = state._bisect_recursive(split_paths)
986
if require_versioned:
987
found_dir_names = set(dir_name_id[:2] for dir_name_id in found)
988
for dir_name in split_paths:
989
if dir_name not in found_dir_names:
990
raise errors.PathsNotVersionedError(paths)
992
for dir_name_id, trees_info in found.iteritems():
993
for index in search_indexes:
994
if trees_info[index][0] not in ('r', 'a'):
995
found_ids.add(dir_name_id[2])
998
def read_working_inventory(self):
999
"""Read the working inventory.
1001
This is a meaningless operation for dirstate, but we obey it anyhow.
1003
return self.inventory
1006
def revision_tree(self, revision_id):
1007
"""See Tree.revision_tree.
1009
WorkingTree4 supplies revision_trees for any basis tree.
1011
dirstate = self.current_dirstate()
1012
parent_ids = dirstate.get_parent_ids()
1013
if revision_id not in parent_ids:
1014
raise errors.NoSuchRevisionInTree(self, revision_id)
1015
if revision_id in dirstate.get_ghosts():
1016
raise errors.NoSuchRevisionInTree(self, revision_id)
1017
return DirStateRevisionTree(dirstate, revision_id,
1018
self.branch.repository)
1020
@needs_tree_write_lock
1021
def set_last_revision(self, new_revision):
1022
"""Change the last revision in the working tree."""
1023
parents = self.get_parent_ids()
1024
if new_revision in (NULL_REVISION, None):
1025
assert len(parents) < 2, (
1026
"setting the last parent to none with a pending merge is "
1028
self.set_parent_ids([])
1030
self.set_parent_ids([new_revision] + parents[1:],
1031
allow_leftmost_as_ghost=True)
1033
@needs_tree_write_lock
1034
def set_parent_ids(self, revision_ids, allow_leftmost_as_ghost=False):
1035
"""Set the parent ids to revision_ids.
1037
See also set_parent_trees. This api will try to retrieve the tree data
1038
for each element of revision_ids from the trees repository. If you have
1039
tree data already available, it is more efficient to use
1040
set_parent_trees rather than set_parent_ids. set_parent_ids is however
1041
an easier API to use.
1043
:param revision_ids: The revision_ids to set as the parent ids of this
1044
working tree. Any of these may be ghosts.
1047
for revision_id in revision_ids:
1049
revtree = self.branch.repository.revision_tree(revision_id)
1050
# TODO: jam 20070213 KnitVersionedFile raises
1051
# RevisionNotPresent rather than NoSuchRevision if a
1052
# given revision_id is not present. Should Repository be
1053
# catching it and re-raising NoSuchRevision?
1054
except (errors.NoSuchRevision, errors.RevisionNotPresent):
1056
trees.append((revision_id, revtree))
1057
self.set_parent_trees(trees,
1058
allow_leftmost_as_ghost=allow_leftmost_as_ghost)
1060
@needs_tree_write_lock
1061
def set_parent_trees(self, parents_list, allow_leftmost_as_ghost=False):
1062
"""Set the parents of the working tree.
1064
:param parents_list: A list of (revision_id, tree) tuples.
1065
If tree is None, then that element is treated as an unreachable
1066
parent tree - i.e. a ghost.
1068
dirstate = self.current_dirstate()
1069
if len(parents_list) > 0:
1070
if not allow_leftmost_as_ghost and parents_list[0][1] is None:
1071
raise errors.GhostRevisionUnusableHere(parents_list[0][0])
1074
# convert absent trees to the null tree, which we convert back to
1075
# missing on access.
1076
for rev_id, tree in parents_list:
1077
_mod_revision.check_not_reserved_id(rev_id)
1078
if tree is not None:
1079
real_trees.append((rev_id, tree))
1081
real_trees.append((rev_id,
1082
self.branch.repository.revision_tree(None)))
1083
ghosts.append(rev_id)
1084
dirstate.set_parent_trees(real_trees, ghosts=ghosts)
1085
self._make_dirty(reset_inventory=False)
1087
def _set_root_id(self, file_id):
1088
"""See WorkingTree.set_root_id."""
1089
state = self.current_dirstate()
1090
state.set_path_id('', file_id)
1091
if state._dirblock_state == dirstate.DirState.IN_MEMORY_MODIFIED:
1092
self._make_dirty(reset_inventory=True)
1094
def _sha_from_stat(self, path, stat_result):
1095
"""Get a sha digest from the tree's stat cache.
1097
The default implementation assumes no stat cache is present.
1099
:param path: The path.
1100
:param stat_result: The stat result being looked up.
1102
return self.current_dirstate().sha1_from_stat(path, stat_result)
1105
def supports_tree_reference(self):
1106
return self._repo_supports_tree_reference
1109
"""Unlock in format 4 trees needs to write the entire dirstate."""
1110
# do non-implementation specific cleanup
1113
if self._control_files._lock_count == 1:
1114
# eventually we should do signature checking during read locks for
1116
if self._control_files._lock_mode == 'w':
1119
if self._dirstate is not None:
1120
# This is a no-op if there are no modifications.
1121
self._dirstate.save()
1122
self._dirstate.unlock()
1123
# TODO: jam 20070301 We shouldn't have to wipe the dirstate at this
1124
# point. Instead, it could check if the header has been
1125
# modified when it is locked, and if not, it can hang on to
1126
# the data it has in memory.
1127
self._dirstate = None
1128
self._inventory = None
1129
# reverse order of locking.
1131
return self._control_files.unlock()
1133
self.branch.unlock()
1135
@needs_tree_write_lock
1136
def unversion(self, file_ids):
1137
"""Remove the file ids in file_ids from the current versioned set.
1139
When a file_id is unversioned, all of its children are automatically
1142
:param file_ids: The file ids to stop versioning.
1143
:raises: NoSuchId if any fileid is not currently versioned.
1147
state = self.current_dirstate()
1148
state._read_dirblocks_if_needed()
1149
ids_to_unversion = set(file_ids)
1150
paths_to_unversion = set()
1152
# check if the root is to be unversioned, if so, assert for now.
1153
# walk the state marking unversioned things as absent.
1154
# if there are any un-unversioned ids at the end, raise
1155
for key, details in state._dirblocks[0][1]:
1156
if (details[0][0] not in ('a', 'r') and # absent or relocated
1157
key[2] in ids_to_unversion):
1158
# I haven't written the code to unversion / yet - it should be
1160
raise errors.BzrError('Unversioning the / is not currently supported')
1162
while block_index < len(state._dirblocks):
1163
# process one directory at a time.
1164
block = state._dirblocks[block_index]
1165
# first check: is the path one to remove - it or its children
1166
delete_block = False
1167
for path in paths_to_unversion:
1168
if (block[0].startswith(path) and
1169
(len(block[0]) == len(path) or
1170
block[0][len(path)] == '/')):
1171
# this entire block should be deleted - its the block for a
1172
# path to unversion; or the child of one
1175
# TODO: trim paths_to_unversion as we pass by paths
1177
# this block is to be deleted: process it.
1178
# TODO: we can special case the no-parents case and
1179
# just forget the whole block.
1181
while entry_index < len(block[1]):
1182
# Mark this file id as having been removed
1183
entry = block[1][entry_index]
1184
ids_to_unversion.discard(entry[0][2])
1185
if (entry[1][0][0] in 'ar' # don't remove absent or renamed
1187
or not state._make_absent(entry)):
1189
# go to the next block. (At the moment we dont delete empty
1194
while entry_index < len(block[1]):
1195
entry = block[1][entry_index]
1196
if (entry[1][0][0] in ('a', 'r') or # absent, relocated
1197
# ^ some parent row.
1198
entry[0][2] not in ids_to_unversion):
1199
# ^ not an id to unversion
1202
if entry[1][0][0] == 'd':
1203
paths_to_unversion.add(pathjoin(entry[0][0], entry[0][1]))
1204
if not state._make_absent(entry):
1206
# we have unversioned this id
1207
ids_to_unversion.remove(entry[0][2])
1209
if ids_to_unversion:
1210
raise errors.NoSuchId(self, iter(ids_to_unversion).next())
1211
self._make_dirty(reset_inventory=False)
1212
# have to change the legacy inventory too.
1213
if self._inventory is not None:
1214
for file_id in file_ids:
1215
self._inventory.remove_recursive_id(file_id)
1217
def update_basis_by_delta(self, new_revid, delta):
1218
"""See MutableTree.update_basis_by_delta."""
1219
assert self.last_revision() != new_revid
1220
self.current_dirstate().update_basis_by_delta(delta, new_revid)
1223
def _validate(self):
1224
self._dirstate._validate()
1226
@needs_tree_write_lock
1227
def _write_inventory(self, inv):
1228
"""Write inventory as the current inventory."""
1229
assert not self._dirty, ("attempting to write an inventory when the "
1230
"dirstate is dirty will cause data loss")
1231
self.current_dirstate().set_state_from_inventory(inv)
1232
self._make_dirty(reset_inventory=False)
1233
if self._inventory is not None:
1234
self._inventory = inv
1238
class WorkingTreeFormat4(WorkingTreeFormat3):
1239
"""The first consolidated dirstate working tree format.
1242
- exists within a metadir controlling .bzr
1243
- includes an explicit version marker for the workingtree control
1244
files, separate from the BzrDir format
1245
- modifies the hash cache format
1246
- is new in bzr 0.15
1247
- uses a LockDir to guard access to it.
1250
upgrade_recommended = False
1252
def get_format_string(self):
1253
"""See WorkingTreeFormat.get_format_string()."""
1254
return "Bazaar Working Tree Format 4 (bzr 0.15)\n"
1256
def get_format_description(self):
1257
"""See WorkingTreeFormat.get_format_description()."""
1258
return "Working tree format 4"
1260
def initialize(self, a_bzrdir, revision_id=None, from_branch=None,
1261
accelerator_tree=None):
1262
"""See WorkingTreeFormat.initialize().
1264
:param revision_id: allows creating a working tree at a different
1265
revision than the branch is at.
1266
:param accelerator_tree: A tree which can be used for retrieving file
1267
contents more quickly than the revision tree, i.e. a workingtree.
1268
The revision tree will be used for cases where accelerator_tree's
1269
content is different.
1271
These trees get an initial random root id, if their repository supports
1272
rich root data, TREE_ROOT otherwise.
1274
if not isinstance(a_bzrdir.transport, LocalTransport):
1275
raise errors.NotLocalUrl(a_bzrdir.transport.base)
1276
transport = a_bzrdir.get_workingtree_transport(self)
1277
control_files = self._open_control_files(a_bzrdir)
1278
control_files.create_lock()
1279
control_files.lock_write()
1280
control_files.put_utf8('format', self.get_format_string())
1281
if from_branch is not None:
1282
branch = from_branch
1284
branch = a_bzrdir.open_branch()
1285
if revision_id is None:
1286
revision_id = branch.last_revision()
1287
local_path = transport.local_abspath('dirstate')
1288
# write out new dirstate (must exist when we create the tree)
1289
state = dirstate.DirState.initialize(local_path)
1292
wt = WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1296
_control_files=control_files)
1298
wt.lock_tree_write()
1300
if revision_id in (None, NULL_REVISION):
1301
if branch.repository.supports_rich_root():
1302
wt._set_root_id(generate_ids.gen_root_id())
1304
wt._set_root_id(ROOT_ID)
1307
# frequently, we will get here due to branching. The accelerator
1308
# tree will be the tree from the branch, so the desired basis
1309
# tree will often be a parent of the accelerator tree.
1310
if accelerator_tree is not None:
1312
basis = accelerator_tree.revision_tree(revision_id)
1313
except errors.NoSuchRevision:
1316
basis = branch.repository.revision_tree(revision_id)
1317
if revision_id == NULL_REVISION:
1320
parents_list = [(revision_id, basis)]
1322
wt.set_parent_trees(parents_list, allow_leftmost_as_ghost=True)
1324
# if the basis has a root id we have to use that; otherwise we use
1326
basis_root_id = basis.get_root_id()
1327
if basis_root_id is not None:
1328
wt._set_root_id(basis_root_id)
1330
transform.build_tree(basis, wt, accelerator_tree)
1333
control_files.unlock()
1337
def _open(self, a_bzrdir, control_files):
1338
"""Open the tree itself.
1340
:param a_bzrdir: the dir for the tree.
1341
:param control_files: the control files for the tree.
1343
return WorkingTree4(a_bzrdir.root_transport.local_abspath('.'),
1344
branch=a_bzrdir.open_branch(),
1347
_control_files=control_files)
1349
def __get_matchingbzrdir(self):
1350
# please test against something that will let us do tree references
1351
return bzrdir.format_registry.make_bzrdir(
1352
'dirstate-with-subtree')
1354
_matchingbzrdir = property(__get_matchingbzrdir)
1357
class DirStateRevisionTree(Tree):
1358
"""A revision tree pulling the inventory from a dirstate."""
1360
def __init__(self, dirstate, revision_id, repository):
1361
self._dirstate = dirstate
1362
self._revision_id = revision_id
1363
self._repository = repository
1364
self._inventory = None
1366
self._dirstate_locked = False
1369
return "<%s of %s in %s>" % \
1370
(self.__class__.__name__, self._revision_id, self._dirstate)
1372
def annotate_iter(self, file_id,
1373
default_revision=_mod_revision.CURRENT_REVISION):
1374
"""See Tree.annotate_iter"""
1375
w = self._get_weave(file_id)
1376
return w.annotate_iter(self.inventory[file_id].revision)
1378
def _get_ancestors(self, default_revision):
1379
return set(self._repository.get_ancestry(self._revision_id,
1381
def _comparison_data(self, entry, path):
1382
"""See Tree._comparison_data."""
1384
return None, False, None
1385
# trust the entry as RevisionTree does, but this may not be
1386
# sensible: the entry might not have come from us?
1387
return entry.kind, entry.executable, None
1389
def _file_size(self, entry, stat_value):
1390
return entry.text_size
1392
def filter_unversioned_files(self, paths):
1393
"""Filter out paths that are not versioned.
1395
:return: set of paths.
1397
pred = self.has_filename
1398
return set((p for p in paths if not pred(p)))
1400
def get_root_id(self):
1401
return self.path2id('')
1403
def id2path(self, file_id):
1404
"Convert a file-id to a path."
1405
entry = self._get_entry(file_id=file_id)
1406
if entry == (None, None):
1407
raise errors.NoSuchId(tree=self, file_id=file_id)
1408
path_utf8 = osutils.pathjoin(entry[0][0], entry[0][1])
1409
return path_utf8.decode('utf8')
1411
def _get_parent_index(self):
1412
"""Return the index in the dirstate referenced by this tree."""
1413
return self._dirstate.get_parent_ids().index(self._revision_id) + 1
1415
def _get_entry(self, file_id=None, path=None):
1416
"""Get the dirstate row for file_id or path.
1418
If either file_id or path is supplied, it is used as the key to lookup.
1419
If both are supplied, the fastest lookup is used, and an error is
1420
raised if they do not both point at the same row.
1422
:param file_id: An optional unicode file_id to be looked up.
1423
:param path: An optional unicode path to be looked up.
1424
:return: The dirstate row tuple for path/file_id, or (None, None)
1426
if file_id is None and path is None:
1427
raise errors.BzrError('must supply file_id or path')
1428
if path is not None:
1429
path = path.encode('utf8')
1430
parent_index = self._get_parent_index()
1431
return self._dirstate._get_entry(parent_index, fileid_utf8=file_id, path_utf8=path)
1433
def _generate_inventory(self):
1434
"""Create and set self.inventory from the dirstate object.
1436
(So this is only called the first time the inventory is requested for
1437
this tree; it then remains in memory until it's out of date.)
1439
This is relatively expensive: we have to walk the entire dirstate.
1441
assert self._locked, 'cannot generate inventory of an unlocked '\
1442
'dirstate revision tree'
1443
# separate call for profiling - makes it clear where the costs are.
1444
self._dirstate._read_dirblocks_if_needed()
1445
assert self._revision_id in self._dirstate.get_parent_ids(), \
1446
'parent %s has disappeared from %s' % (
1447
self._revision_id, self._dirstate.get_parent_ids())
1448
parent_index = self._dirstate.get_parent_ids().index(self._revision_id) + 1
1449
# This is identical now to the WorkingTree _generate_inventory except
1450
# for the tree index use.
1451
root_key, current_entry = self._dirstate._get_entry(parent_index, path_utf8='')
1452
current_id = root_key[2]
1453
assert current_entry[parent_index][0] == 'd'
1454
inv = Inventory(root_id=current_id, revision_id=self._revision_id)
1455
inv.root.revision = current_entry[parent_index][4]
1456
# Turn some things into local variables
1457
minikind_to_kind = dirstate.DirState._minikind_to_kind
1458
factory = entry_factory
1459
utf8_decode = cache_utf8._utf8_decode
1460
inv_byid = inv._byid
1461
# we could do this straight out of the dirstate; it might be fast
1462
# and should be profiled - RBC 20070216
1463
parent_ies = {'' : inv.root}
1464
for block in self._dirstate._dirblocks[1:]: #skip root
1467
parent_ie = parent_ies[dirname]
1469
# all the paths in this block are not versioned in this tree
1471
for key, entry in block[1]:
1472
minikind, fingerprint, size, executable, revid = entry[parent_index]
1473
if minikind in ('a', 'r'): # absent, relocated
1477
name_unicode = utf8_decode(name)[0]
1479
kind = minikind_to_kind[minikind]
1480
inv_entry = factory[kind](file_id, name_unicode,
1482
inv_entry.revision = revid
1484
inv_entry.executable = executable
1485
inv_entry.text_size = size
1486
inv_entry.text_sha1 = fingerprint
1487
elif kind == 'directory':
1488
parent_ies[(dirname + '/' + name).strip('/')] = inv_entry
1489
elif kind == 'symlink':
1490
inv_entry.executable = False
1491
inv_entry.text_size = None
1492
inv_entry.symlink_target = utf8_decode(fingerprint)[0]
1493
elif kind == 'tree-reference':
1494
inv_entry.reference_revision = fingerprint or None
1496
raise AssertionError("cannot convert entry %r into an InventoryEntry"
1498
# These checks cost us around 40ms on a 55k entry tree
1499
assert file_id not in inv_byid
1500
assert name_unicode not in parent_ie.children
1501
inv_byid[file_id] = inv_entry
1502
parent_ie.children[name_unicode] = inv_entry
1503
self._inventory = inv
1505
def get_file_mtime(self, file_id, path=None):
1506
"""Return the modification time for this record.
1508
We return the timestamp of the last-changed revision.
1510
# Make sure the file exists
1511
entry = self._get_entry(file_id, path=path)
1512
if entry == (None, None): # do we raise?
1514
parent_index = self._get_parent_index()
1515
last_changed_revision = entry[1][parent_index][4]
1516
return self._repository.get_revision(last_changed_revision).timestamp
1518
def get_file_sha1(self, file_id, path=None, stat_value=None):
1519
entry = self._get_entry(file_id=file_id, path=path)
1520
parent_index = self._get_parent_index()
1521
parent_details = entry[1][parent_index]
1522
if parent_details[0] == 'f':
1523
return parent_details[1]
1526
@symbol_versioning.deprecated_method(symbol_versioning.zero_ninety)
1527
def get_weave(self, file_id):
1528
return self._get_weave(file_id)
1530
def _get_weave(self, file_id):
1531
return self._repository.weave_store.get_weave(file_id,
1532
self._repository.get_transaction())
1534
def get_file(self, file_id, path=None):
1535
return StringIO(self.get_file_text(file_id))
1537
def get_file_lines(self, file_id):
1538
entry = self._get_entry(file_id=file_id)[1]
1540
raise errors.NoSuchId(tree=self, file_id=file_id)
1541
return self._get_weave(file_id).get_lines(entry[1][4])
1543
def get_file_size(self, file_id):
1544
return self.inventory[file_id].text_size
1546
def get_file_text(self, file_id):
1547
return ''.join(self.get_file_lines(file_id))
1549
def get_reference_revision(self, file_id, path=None):
1550
return self.inventory[file_id].reference_revision
1552
def iter_files_bytes(self, desired_files):
1553
"""See Tree.iter_files_bytes.
1555
This version is implemented on top of Repository.iter_files_bytes"""
1556
parent_index = self._get_parent_index()
1557
repo_desired_files = []
1558
for file_id, identifier in desired_files:
1559
entry = self._get_entry(file_id)
1560
if entry == (None, None):
1561
raise errors.NoSuchId(self, file_id)
1562
repo_desired_files.append((file_id, entry[1][parent_index][4],
1564
return self._repository.iter_files_bytes(repo_desired_files)
1566
def get_symlink_target(self, file_id):
1567
entry = self._get_entry(file_id=file_id)
1568
parent_index = self._get_parent_index()
1569
if entry[1][parent_index][0] != 'l':
1572
# At present, none of the tree implementations supports non-ascii
1573
# symlink targets. So we will just assume that the dirstate path is
1575
return entry[1][parent_index][1]
1577
def get_revision_id(self):
1578
"""Return the revision id for this tree."""
1579
return self._revision_id
1581
def _get_inventory(self):
1582
if self._inventory is not None:
1583
return self._inventory
1584
self._must_be_locked()
1585
self._generate_inventory()
1586
return self._inventory
1588
inventory = property(_get_inventory,
1589
doc="Inventory of this Tree")
1591
def get_parent_ids(self):
1592
"""The parents of a tree in the dirstate are not cached."""
1593
return self._repository.get_revision(self._revision_id).parent_ids
1595
def has_filename(self, filename):
1596
return bool(self.path2id(filename))
1598
def kind(self, file_id):
1599
entry = self._get_entry(file_id=file_id)[1]
1601
raise errors.NoSuchId(tree=self, file_id=file_id)
1602
return dirstate.DirState._minikind_to_kind[entry[1][0]]
1604
def path_content_summary(self, path):
1605
"""See Tree.path_content_summary."""
1606
id = self.inventory.path2id(path)
1608
return ('missing', None, None, None)
1609
entry = self._inventory[id]
1612
return (kind, entry.text_size, entry.executable, entry.text_sha1)
1613
elif kind == 'symlink':
1614
return (kind, None, None, entry.symlink_target)
1616
return (kind, None, None, None)
1618
def is_executable(self, file_id, path=None):
1619
ie = self.inventory[file_id]
1620
if ie.kind != "file":
1622
return ie.executable
1624
def list_files(self, include_root=False):
1625
# We use a standard implementation, because DirStateRevisionTree is
1626
# dealing with one of the parents of the current state
1627
inv = self._get_inventory()
1628
entries = inv.iter_entries()
1629
if self.inventory.root is not None and not include_root:
1631
for path, entry in entries:
1632
yield path, 'V', entry.kind, entry.file_id, entry
1634
def lock_read(self):
1635
"""Lock the tree for a set of operations."""
1636
if not self._locked:
1637
self._repository.lock_read()
1638
if self._dirstate._lock_token is None:
1639
self._dirstate.lock_read()
1640
self._dirstate_locked = True
1643
def _must_be_locked(self):
1644
if not self._locked:
1645
raise errors.ObjectNotLocked(self)
1648
def path2id(self, path):
1649
"""Return the id for path in this tree."""
1650
# lookup by path: faster than splitting and walking the ivnentory.
1651
entry = self._get_entry(path=path)
1652
if entry == (None, None):
1657
"""Unlock, freeing any cache memory used during the lock."""
1658
# outside of a lock, the inventory is suspect: release it.
1660
if not self._locked:
1661
self._inventory = None
1663
if self._dirstate_locked:
1664
self._dirstate.unlock()
1665
self._dirstate_locked = False
1666
self._repository.unlock()
1668
def walkdirs(self, prefix=""):
1669
# TODO: jam 20070215 This is the lazy way by using the RevisionTree
1670
# implementation based on an inventory.
1671
# This should be cleaned up to use the much faster Dirstate code
1672
# So for now, we just build up the parent inventory, and extract
1673
# it the same way RevisionTree does.
1674
_directory = 'directory'
1675
inv = self._get_inventory()
1676
top_id = inv.path2id(prefix)
1680
pending = [(prefix, top_id)]
1683
relpath, file_id = pending.pop()
1684
# 0 - relpath, 1- file-id
1686
relroot = relpath + '/'
1689
# FIXME: stash the node in pending
1690
entry = inv[file_id]
1691
for name, child in entry.sorted_children():
1692
toppath = relroot + name
1693
dirblock.append((toppath, name, child.kind, None,
1694
child.file_id, child.kind
1696
yield (relpath, entry.file_id), dirblock
1697
# push the user specified dirs from dirblock
1698
for dir in reversed(dirblock):
1699
if dir[2] == _directory:
1700
pending.append((dir[0], dir[4]))
1703
class InterDirStateTree(InterTree):
1704
"""Fast path optimiser for changes_from with dirstate trees.
1706
This is used only when both trees are in the dirstate working file, and
1707
the source is any parent within the dirstate, and the destination is
1708
the current working tree of the same dirstate.
1710
# this could be generalized to allow comparisons between any trees in the
1711
# dirstate, and possibly between trees stored in different dirstates.
1713
def __init__(self, source, target):
1714
super(InterDirStateTree, self).__init__(source, target)
1715
if not InterDirStateTree.is_compatible(source, target):
1716
raise Exception, "invalid source %r and target %r" % (source, target)
1719
def make_source_parent_tree(source, target):
1720
"""Change the source tree into a parent of the target."""
1721
revid = source.commit('record tree')
1722
target.branch.repository.fetch(source.branch.repository, revid)
1723
target.set_parent_ids([revid])
1724
return target.basis_tree(), target
1726
_matching_from_tree_format = WorkingTreeFormat4()
1727
_matching_to_tree_format = WorkingTreeFormat4()
1728
_test_mutable_trees_to_test_trees = make_source_parent_tree
1730
def _iter_changes(self, include_unchanged=False,
1731
specific_files=None, pb=None, extra_trees=[],
1732
require_versioned=True, want_unversioned=False):
1733
"""Return the changes from source to target.
1735
:return: An iterator that yields tuples. See InterTree._iter_changes
1737
:param specific_files: An optional list of file paths to restrict the
1738
comparison to. When mapping filenames to ids, all matches in all
1739
trees (including optional extra_trees) are used, and all children of
1740
matched directories are included.
1741
:param include_unchanged: An optional boolean requesting the inclusion of
1742
unchanged entries in the result.
1743
:param extra_trees: An optional list of additional trees to use when
1744
mapping the contents of specific_files (paths) to file_ids.
1745
:param require_versioned: If True, all files in specific_files must be
1746
versioned in one of source, target, extra_trees or
1747
PathsNotVersionedError is raised.
1748
:param want_unversioned: Should unversioned files be returned in the
1749
output. An unversioned file is defined as one with (False, False)
1750
for the versioned pair.
1752
utf8_decode = cache_utf8._utf8_decode
1753
_minikind_to_kind = dirstate.DirState._minikind_to_kind
1754
cmp_by_dirs = dirstate.cmp_by_dirs
1755
# NB: show_status depends on being able to pass in non-versioned files
1756
# and report them as unknown
1757
# TODO: handle extra trees in the dirstate.
1758
if (extra_trees or specific_files == []):
1759
# we can't fast-path these cases (yet)
1760
for f in super(InterDirStateTree, self)._iter_changes(
1761
include_unchanged, specific_files, pb, extra_trees,
1762
require_versioned, want_unversioned=want_unversioned):
1765
parent_ids = self.target.get_parent_ids()
1766
assert (self.source._revision_id in parent_ids
1767
or self.source._revision_id == NULL_REVISION), \
1768
"revision {%s} is not stored in {%s}, but %s " \
1769
"can only be used for trees stored in the dirstate" \
1770
% (self.source._revision_id, self.target, self._iter_changes)
1772
if self.source._revision_id == NULL_REVISION:
1774
indices = (target_index,)
1776
assert (self.source._revision_id in parent_ids), \
1777
"Failure: source._revision_id: %s not in target.parent_ids(%s)" % (
1778
self.source._revision_id, parent_ids)
1779
source_index = 1 + parent_ids.index(self.source._revision_id)
1780
indices = (source_index, target_index)
1781
# -- make all specific_files utf8 --
1783
specific_files_utf8 = set()
1784
for path in specific_files:
1785
specific_files_utf8.add(path.encode('utf8'))
1786
specific_files = specific_files_utf8
1788
specific_files = set([''])
1789
# -- specific_files is now a utf8 path set --
1790
# -- get the state object and prepare it.
1791
state = self.target.current_dirstate()
1792
state._read_dirblocks_if_needed()
1793
def _entries_for_path(path):
1794
"""Return a list with all the entries that match path for all ids.
1796
dirname, basename = os.path.split(path)
1797
key = (dirname, basename, '')
1798
block_index, present = state._find_block_index_from_key(key)
1800
# the block which should contain path is absent.
1803
block = state._dirblocks[block_index][1]
1804
entry_index, _ = state._find_entry_index(key, block)
1805
# we may need to look at multiple entries at this path: walk while the specific_files match.
1806
while (entry_index < len(block) and
1807
block[entry_index][0][0:2] == key[0:2]):
1808
result.append(block[entry_index])
1811
if require_versioned:
1812
# -- check all supplied paths are versioned in a search tree. --
1813
all_versioned = True
1814
for path in specific_files:
1815
path_entries = _entries_for_path(path)
1816
if not path_entries:
1817
# this specified path is not present at all: error
1818
all_versioned = False
1820
found_versioned = False
1821
# for each id at this path
1822
for entry in path_entries:
1824
for index in indices:
1825
if entry[1][index][0] != 'a': # absent
1826
found_versioned = True
1827
# all good: found a versioned cell
1829
if not found_versioned:
1830
# none of the indexes was not 'absent' at all ids for this
1832
all_versioned = False
1834
if not all_versioned:
1835
raise errors.PathsNotVersionedError(specific_files)
1836
# -- remove redundancy in supplied specific_files to prevent over-scanning --
1837
search_specific_files = set()
1838
for path in specific_files:
1839
other_specific_files = specific_files.difference(set([path]))
1840
if not osutils.is_inside_any(other_specific_files, path):
1841
# this is a top level path, we must check it.
1842
search_specific_files.add(path)
1844
# compare source_index and target_index at or under each element of search_specific_files.
1845
# follow the following comparison table. Note that we only want to do diff operations when
1846
# the target is fdl because thats when the walkdirs logic will have exposed the pathinfo
1850
# Source | Target | disk | action
1851
# r | fdlt | | add source to search, add id path move and perform
1852
# | | | diff check on source-target
1853
# r | fdlt | a | dangling file that was present in the basis.
1855
# r | a | | add source to search
1857
# r | r | | this path is present in a non-examined tree, skip.
1858
# r | r | a | this path is present in a non-examined tree, skip.
1859
# a | fdlt | | add new id
1860
# a | fdlt | a | dangling locally added file, skip
1861
# a | a | | not present in either tree, skip
1862
# a | a | a | not present in any tree, skip
1863
# a | r | | not present in either tree at this path, skip as it
1864
# | | | may not be selected by the users list of paths.
1865
# a | r | a | not present in either tree at this path, skip as it
1866
# | | | may not be selected by the users list of paths.
1867
# fdlt | fdlt | | content in both: diff them
1868
# fdlt | fdlt | a | deleted locally, but not unversioned - show as deleted ?
1869
# fdlt | a | | unversioned: output deleted id for now
1870
# fdlt | a | a | unversioned and deleted: output deleted id
1871
# fdlt | r | | relocated in this tree, so add target to search.
1872
# | | | Dont diff, we will see an r,fd; pair when we reach
1873
# | | | this id at the other path.
1874
# fdlt | r | a | relocated in this tree, so add target to search.
1875
# | | | Dont diff, we will see an r,fd; pair when we reach
1876
# | | | this id at the other path.
1878
# for all search_indexs in each path at or under each element of
1879
# search_specific_files, if the detail is relocated: add the id, and add the
1880
# relocated path as one to search if its not searched already. If the
1881
# detail is not relocated, add the id.
1882
searched_specific_files = set()
1883
NULL_PARENT_DETAILS = dirstate.DirState.NULL_PARENT_DETAILS
1884
# Using a list so that we can access the values and change them in
1885
# nested scope. Each one is [path, file_id, entry]
1886
last_source_parent = [None, None]
1887
last_target_parent = [None, None]
1889
use_filesystem_for_exec = (sys.platform != 'win32')
1891
# Just a sentry, so that _process_entry can say that this
1892
# record is handled, but isn't interesting to process (unchanged)
1893
uninteresting = object()
1896
old_dirname_to_file_id = {}
1897
new_dirname_to_file_id = {}
1898
# TODO: jam 20070516 - Avoid the _get_entry lookup overhead by
1899
# keeping a cache of directories that we have seen.
1901
def _process_entry(entry, path_info):
1902
"""Compare an entry and real disk to generate delta information.
1904
:param path_info: top_relpath, basename, kind, lstat, abspath for
1905
the path of entry. If None, then the path is considered absent.
1906
(Perhaps we should pass in a concrete entry for this ?)
1907
Basename is returned as a utf8 string because we expect this
1908
tuple will be ignored, and don't want to take the time to
1910
:return: None if these don't match
1911
A tuple of information about the change, or
1912
the object 'uninteresting' if these match, but are
1913
basically identical.
1915
if source_index is None:
1916
source_details = NULL_PARENT_DETAILS
1918
source_details = entry[1][source_index]
1919
target_details = entry[1][target_index]
1920
target_minikind = target_details[0]
1921
if path_info is not None and target_minikind in 'fdlt':
1922
assert target_index == 0
1923
link_or_sha1 = state.update_entry(entry, abspath=path_info[4],
1924
stat_value=path_info[3])
1925
# The entry may have been modified by update_entry
1926
target_details = entry[1][target_index]
1927
target_minikind = target_details[0]
1930
file_id = entry[0][2]
1931
source_minikind = source_details[0]
1932
if source_minikind in 'fdltr' and target_minikind in 'fdlt':
1933
# claimed content in both: diff
1934
# r | fdlt | | add source to search, add id path move and perform
1935
# | | | diff check on source-target
1936
# r | fdlt | a | dangling file that was present in the basis.
1938
if source_minikind in 'r':
1939
# add the source to the search path to find any children it
1940
# has. TODO ? : only add if it is a container ?
1941
if not osutils.is_inside_any(searched_specific_files,
1943
search_specific_files.add(source_details[1])
1944
# generate the old path; this is needed for stating later
1946
old_path = source_details[1]
1947
old_dirname, old_basename = os.path.split(old_path)
1948
path = pathjoin(entry[0][0], entry[0][1])
1949
old_entry = state._get_entry(source_index,
1951
# update the source details variable to be the real
1953
source_details = old_entry[1][source_index]
1954
source_minikind = source_details[0]
1956
old_dirname = entry[0][0]
1957
old_basename = entry[0][1]
1958
old_path = path = None
1959
if path_info is None:
1960
# the file is missing on disk, show as removed.
1961
content_change = True
1965
# source and target are both versioned and disk file is present.
1966
target_kind = path_info[2]
1967
if target_kind == 'directory':
1969
old_path = path = pathjoin(old_dirname, old_basename)
1970
new_dirname_to_file_id[path] = file_id
1971
if source_minikind != 'd':
1972
content_change = True
1974
# directories have no fingerprint
1975
content_change = False
1977
elif target_kind == 'file':
1978
if source_minikind != 'f':
1979
content_change = True
1981
# We could check the size, but we already have the
1983
content_change = (link_or_sha1 != source_details[1])
1984
# Target details is updated at update_entry time
1985
if use_filesystem_for_exec:
1986
# We don't need S_ISREG here, because we are sure
1987
# we are dealing with a file.
1988
target_exec = bool(stat.S_IEXEC & path_info[3].st_mode)
1990
target_exec = target_details[3]
1991
elif target_kind == 'symlink':
1992
if source_minikind != 'l':
1993
content_change = True
1995
content_change = (link_or_sha1 != source_details[1])
1997
elif target_kind == 'tree-reference':
1998
if source_minikind != 't':
1999
content_change = True
2001
content_change = False
2004
raise Exception, "unknown kind %s" % path_info[2]
2005
if source_minikind == 'd':
2007
old_path = path = pathjoin(old_dirname, old_basename)
2008
old_dirname_to_file_id[old_path] = file_id
2009
# parent id is the entry for the path in the target tree
2010
if old_dirname == last_source_parent[0]:
2011
source_parent_id = last_source_parent[1]
2014
source_parent_id = old_dirname_to_file_id[old_dirname]
2016
source_parent_entry = state._get_entry(source_index,
2017
path_utf8=old_dirname)
2018
source_parent_id = source_parent_entry[0][2]
2019
if source_parent_id == entry[0][2]:
2020
# This is the root, so the parent is None
2021
source_parent_id = None
2023
last_source_parent[0] = old_dirname
2024
last_source_parent[1] = source_parent_id
2025
new_dirname = entry[0][0]
2026
if new_dirname == last_target_parent[0]:
2027
target_parent_id = last_target_parent[1]
2030
target_parent_id = new_dirname_to_file_id[new_dirname]
2032
# TODO: We don't always need to do the lookup, because the
2033
# parent entry will be the same as the source entry.
2034
target_parent_entry = state._get_entry(target_index,
2035
path_utf8=new_dirname)
2036
assert target_parent_entry != (None, None), (
2037
"Could not find target parent in wt: %s\nparent of: %s"
2038
% (new_dirname, entry))
2039
target_parent_id = target_parent_entry[0][2]
2040
if target_parent_id == entry[0][2]:
2041
# This is the root, so the parent is None
2042
target_parent_id = None
2044
last_target_parent[0] = new_dirname
2045
last_target_parent[1] = target_parent_id
2047
source_exec = source_details[3]
2048
if (include_unchanged
2050
or source_parent_id != target_parent_id
2051
or old_basename != entry[0][1]
2052
or source_exec != target_exec
2054
if old_path is None:
2055
old_path = path = pathjoin(old_dirname, old_basename)
2056
old_path_u = utf8_decode(old_path)[0]
2059
old_path_u = utf8_decode(old_path)[0]
2060
if old_path == path:
2063
path_u = utf8_decode(path)[0]
2064
source_kind = _minikind_to_kind[source_minikind]
2065
return (entry[0][2],
2066
(old_path_u, path_u),
2069
(source_parent_id, target_parent_id),
2070
(utf8_decode(old_basename)[0], utf8_decode(entry[0][1])[0]),
2071
(source_kind, target_kind),
2072
(source_exec, target_exec))
2074
return uninteresting
2075
elif source_minikind in 'a' and target_minikind in 'fdlt':
2076
# looks like a new file
2077
if path_info is not None:
2078
path = pathjoin(entry[0][0], entry[0][1])
2079
# parent id is the entry for the path in the target tree
2080
# TODO: these are the same for an entire directory: cache em.
2081
parent_id = state._get_entry(target_index,
2082
path_utf8=entry[0][0])[0][2]
2083
if parent_id == entry[0][2]:
2085
if use_filesystem_for_exec:
2086
# We need S_ISREG here, because we aren't sure if this
2089
stat.S_ISREG(path_info[3].st_mode)
2090
and stat.S_IEXEC & path_info[3].st_mode)
2092
target_exec = target_details[3]
2093
return (entry[0][2],
2094
(None, utf8_decode(path)[0]),
2098
(None, utf8_decode(entry[0][1])[0]),
2099
(None, path_info[2]),
2100
(None, target_exec))
2102
# but its not on disk: we deliberately treat this as just
2103
# never-present. (Why ?! - RBC 20070224)
2105
elif source_minikind in 'fdlt' and target_minikind in 'a':
2106
# unversioned, possibly, or possibly not deleted: we dont care.
2107
# if its still on disk, *and* theres no other entry at this
2108
# path [we dont know this in this routine at the moment -
2109
# perhaps we should change this - then it would be an unknown.
2110
old_path = pathjoin(entry[0][0], entry[0][1])
2111
# parent id is the entry for the path in the target tree
2112
parent_id = state._get_entry(source_index, path_utf8=entry[0][0])[0][2]
2113
if parent_id == entry[0][2]:
2115
return (entry[0][2],
2116
(utf8_decode(old_path)[0], None),
2120
(utf8_decode(entry[0][1])[0], None),
2121
(_minikind_to_kind[source_minikind], None),
2122
(source_details[3], None))
2123
elif source_minikind in 'fdlt' and target_minikind in 'r':
2124
# a rename; could be a true rename, or a rename inherited from
2125
# a renamed parent. TODO: handle this efficiently. Its not
2126
# common case to rename dirs though, so a correct but slow
2127
# implementation will do.
2128
if not osutils.is_inside_any(searched_specific_files, target_details[1]):
2129
search_specific_files.add(target_details[1])
2130
elif source_minikind in 'ra' and target_minikind in 'ra':
2131
# neither of the selected trees contain this file,
2132
# so skip over it. This is not currently directly tested, but
2133
# is indirectly via test_too_much.TestCommands.test_conflicts.
2136
raise AssertionError("don't know how to compare "
2137
"source_minikind=%r, target_minikind=%r"
2138
% (source_minikind, target_minikind))
2139
## import pdb;pdb.set_trace()
2142
while search_specific_files:
2143
# TODO: the pending list should be lexically sorted? the
2144
# interface doesn't require it.
2145
current_root = search_specific_files.pop()
2146
current_root_unicode = current_root.decode('utf8')
2147
searched_specific_files.add(current_root)
2148
# process the entries for this containing directory: the rest will be
2149
# found by their parents recursively.
2150
root_entries = _entries_for_path(current_root)
2151
root_abspath = self.target.abspath(current_root_unicode)
2153
root_stat = os.lstat(root_abspath)
2155
if e.errno == errno.ENOENT:
2156
# the path does not exist: let _process_entry know that.
2157
root_dir_info = None
2159
# some other random error: hand it up.
2162
root_dir_info = ('', current_root,
2163
osutils.file_kind_from_stat_mode(root_stat.st_mode), root_stat,
2165
if root_dir_info[2] == 'directory':
2166
if self.target._directory_is_tree_reference(
2167
current_root.decode('utf8')):
2168
root_dir_info = root_dir_info[:2] + \
2169
('tree-reference',) + root_dir_info[3:]
2171
if not root_entries and not root_dir_info:
2172
# this specified path is not present at all, skip it.
2174
path_handled = False
2175
for entry in root_entries:
2176
result = _process_entry(entry, root_dir_info)
2177
if result is not None:
2179
if result is not uninteresting:
2181
if want_unversioned and not path_handled and root_dir_info:
2182
new_executable = bool(
2183
stat.S_ISREG(root_dir_info[3].st_mode)
2184
and stat.S_IEXEC & root_dir_info[3].st_mode)
2186
(None, current_root_unicode),
2190
(None, splitpath(current_root_unicode)[-1]),
2191
(None, root_dir_info[2]),
2192
(None, new_executable)
2194
initial_key = (current_root, '', '')
2195
block_index, _ = state._find_block_index_from_key(initial_key)
2196
if block_index == 0:
2197
# we have processed the total root already, but because the
2198
# initial key matched it we should skip it here.
2200
if root_dir_info and root_dir_info[2] == 'tree-reference':
2201
current_dir_info = None
2203
dir_iterator = osutils._walkdirs_utf8(root_abspath, prefix=current_root)
2205
current_dir_info = dir_iterator.next()
2207
# on win32, python2.4 has e.errno == ERROR_DIRECTORY, but
2208
# python 2.5 has e.errno == EINVAL,
2209
# and e.winerror == ERROR_DIRECTORY
2210
e_winerror = getattr(e, 'winerror', None)
2211
win_errors = (ERROR_DIRECTORY, ERROR_PATH_NOT_FOUND)
2212
# there may be directories in the inventory even though
2213
# this path is not a file on disk: so mark it as end of
2215
if e.errno in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL):
2216
current_dir_info = None
2217
elif (sys.platform == 'win32'
2218
and (e.errno in win_errors
2219
or e_winerror in win_errors)):
2220
current_dir_info = None
2224
if current_dir_info[0][0] == '':
2225
# remove .bzr from iteration
2226
bzr_index = bisect_left(current_dir_info[1], ('.bzr',))
2227
assert current_dir_info[1][bzr_index][0] == '.bzr'
2228
del current_dir_info[1][bzr_index]
2229
# walk until both the directory listing and the versioned metadata
2231
if (block_index < len(state._dirblocks) and
2232
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2233
current_block = state._dirblocks[block_index]
2235
current_block = None
2236
while (current_dir_info is not None or
2237
current_block is not None):
2238
if (current_dir_info and current_block
2239
and current_dir_info[0][0] != current_block[0]):
2240
if cmp_by_dirs(current_dir_info[0][0], current_block[0]) < 0:
2241
# filesystem data refers to paths not covered by the dirblock.
2242
# this has two possibilities:
2243
# A) it is versioned but empty, so there is no block for it
2244
# B) it is not versioned.
2246
# if (A) then we need to recurse into it to check for
2247
# new unknown files or directories.
2248
# if (B) then we should ignore it, because we don't
2249
# recurse into unknown directories.
2251
while path_index < len(current_dir_info[1]):
2252
current_path_info = current_dir_info[1][path_index]
2253
if want_unversioned:
2254
if current_path_info[2] == 'directory':
2255
if self.target._directory_is_tree_reference(
2256
current_path_info[0].decode('utf8')):
2257
current_path_info = current_path_info[:2] + \
2258
('tree-reference',) + current_path_info[3:]
2259
new_executable = bool(
2260
stat.S_ISREG(current_path_info[3].st_mode)
2261
and stat.S_IEXEC & current_path_info[3].st_mode)
2263
(None, utf8_decode(current_path_info[0])[0]),
2267
(None, utf8_decode(current_path_info[1])[0]),
2268
(None, current_path_info[2]),
2269
(None, new_executable))
2270
# dont descend into this unversioned path if it is
2272
if current_path_info[2] in ('directory',
2274
del current_dir_info[1][path_index]
2278
# This dir info has been handled, go to the next
2280
current_dir_info = dir_iterator.next()
2281
except StopIteration:
2282
current_dir_info = None
2284
# We have a dirblock entry for this location, but there
2285
# is no filesystem path for this. This is most likely
2286
# because a directory was removed from the disk.
2287
# We don't have to report the missing directory,
2288
# because that should have already been handled, but we
2289
# need to handle all of the files that are contained
2291
for current_entry in current_block[1]:
2292
# entry referring to file not present on disk.
2293
# advance the entry only, after processing.
2294
result = _process_entry(current_entry, None)
2295
if result is not None:
2296
if result is not uninteresting:
2299
if (block_index < len(state._dirblocks) and
2300
osutils.is_inside(current_root,
2301
state._dirblocks[block_index][0])):
2302
current_block = state._dirblocks[block_index]
2304
current_block = None
2307
if current_block and entry_index < len(current_block[1]):
2308
current_entry = current_block[1][entry_index]
2310
current_entry = None
2311
advance_entry = True
2313
if current_dir_info and path_index < len(current_dir_info[1]):
2314
current_path_info = current_dir_info[1][path_index]
2315
if current_path_info[2] == 'directory':
2316
if self.target._directory_is_tree_reference(
2317
current_path_info[0].decode('utf8')):
2318
current_path_info = current_path_info[:2] + \
2319
('tree-reference',) + current_path_info[3:]
2321
current_path_info = None
2323
path_handled = False
2324
while (current_entry is not None or
2325
current_path_info is not None):
2326
if current_entry is None:
2327
# the check for path_handled when the path is adnvaced
2328
# will yield this path if needed.
2330
elif current_path_info is None:
2331
# no path is fine: the per entry code will handle it.
2332
result = _process_entry(current_entry, current_path_info)
2333
if result is not None:
2334
if result is not uninteresting:
2336
elif (current_entry[0][1] != current_path_info[1]
2337
or current_entry[1][target_index][0] in 'ar'):
2338
# The current path on disk doesn't match the dirblock
2339
# record. Either the dirblock is marked as absent, or
2340
# the file on disk is not present at all in the
2341
# dirblock. Either way, report about the dirblock
2342
# entry, and let other code handle the filesystem one.
2344
# Compare the basename for these files to determine
2346
if current_path_info[1] < current_entry[0][1]:
2347
# extra file on disk: pass for now, but only
2348
# increment the path, not the entry
2349
advance_entry = False
2351
# entry referring to file not present on disk.
2352
# advance the entry only, after processing.
2353
result = _process_entry(current_entry, None)
2354
if result is not None:
2355
if result is not uninteresting:
2357
advance_path = False
2359
result = _process_entry(current_entry, current_path_info)
2360
if result is not None:
2362
if result is not uninteresting:
2364
if advance_entry and current_entry is not None:
2366
if entry_index < len(current_block[1]):
2367
current_entry = current_block[1][entry_index]
2369
current_entry = None
2371
advance_entry = True # reset the advance flaga
2372
if advance_path and current_path_info is not None:
2373
if not path_handled:
2374
# unversioned in all regards
2375
if want_unversioned:
2376
new_executable = bool(
2377
stat.S_ISREG(current_path_info[3].st_mode)
2378
and stat.S_IEXEC & current_path_info[3].st_mode)
2380
(None, utf8_decode(current_path_info[0])[0]),
2384
(None, utf8_decode(current_path_info[1])[0]),
2385
(None, current_path_info[2]),
2386
(None, new_executable))
2387
# dont descend into this unversioned path if it is
2389
if current_path_info[2] in ('directory'):
2390
del current_dir_info[1][path_index]
2392
# dont descend the disk iterator into any tree
2394
if current_path_info[2] == 'tree-reference':
2395
del current_dir_info[1][path_index]
2398
if path_index < len(current_dir_info[1]):
2399
current_path_info = current_dir_info[1][path_index]
2400
if current_path_info[2] == 'directory':
2401
if self.target._directory_is_tree_reference(
2402
current_path_info[0].decode('utf8')):
2403
current_path_info = current_path_info[:2] + \
2404
('tree-reference',) + current_path_info[3:]
2406
current_path_info = None
2407
path_handled = False
2409
advance_path = True # reset the advance flagg.
2410
if current_block is not None:
2412
if (block_index < len(state._dirblocks) and
2413
osutils.is_inside(current_root, state._dirblocks[block_index][0])):
2414
current_block = state._dirblocks[block_index]
2416
current_block = None
2417
if current_dir_info is not None:
2419
current_dir_info = dir_iterator.next()
2420
except StopIteration:
2421
current_dir_info = None
2425
def is_compatible(source, target):
2426
# the target must be a dirstate working tree
2427
if not isinstance(target, WorkingTree4):
2429
# the source must be a revtreee or dirstate rev tree.
2430
if not isinstance(source,
2431
(revisiontree.RevisionTree, DirStateRevisionTree)):
2433
# the source revid must be in the target dirstate
2434
if not (source._revision_id == NULL_REVISION or
2435
source._revision_id in target.get_parent_ids()):
2436
# TODO: what about ghosts? it may well need to
2437
# check for them explicitly.
2441
InterTree.register_optimiser(InterDirStateTree)
2444
class Converter3to4(object):
2445
"""Perform an in-place upgrade of format 3 to format 4 trees."""
2448
self.target_format = WorkingTreeFormat4()
2450
def convert(self, tree):
2451
# lock the control files not the tree, so that we dont get tree
2452
# on-unlock behaviours, and so that noone else diddles with the
2453
# tree during upgrade.
2454
tree._control_files.lock_write()
2456
tree.read_working_inventory()
2457
self.create_dirstate_data(tree)
2458
self.update_format(tree)
2459
self.remove_xml_files(tree)
2461
tree._control_files.unlock()
2463
def create_dirstate_data(self, tree):
2464
"""Create the dirstate based data for tree."""
2465
local_path = tree.bzrdir.get_workingtree_transport(None
2466
).local_abspath('dirstate')
2467
state = dirstate.DirState.from_tree(tree, local_path)
2471
def remove_xml_files(self, tree):
2472
"""Remove the oldformat 3 data."""
2473
transport = tree.bzrdir.get_workingtree_transport(None)
2474
for path in ['basis-inventory-cache', 'inventory', 'last-revision',
2475
'pending-merges', 'stat-cache']:
2477
transport.delete(path)
2478
except errors.NoSuchFile:
2479
# some files are optional - just deal.
2482
def update_format(self, tree):
2483
"""Change the format marker."""
2484
tree._control_files.put_utf8('format',
2485
self.target_format.get_format_string())
added
removed
bzrlib/workingtree_4.py
